Adorama Budget Macro Focusing Rail Set with 4 Way, Fine Control, Camera Focusing Rail for Macro Photography.
- rack and pinion movement provides fine focusing adjustments
- Two 6" rails allow movement in four directions, right, left, forward and backward
- Mounts on, and accepts 1/4x20 threaded screws, will fit most tripods and copy stands
- Positive locking knobs assure rock-steady focus